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WPF TreeViewItem.Select() doesn't focus the parent when selected if the child has focus #22

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KirillOsenkov opened this issue Sep 27, 2021 · 0 comments
Open

WPF TreeViewItem.Select() doesn't focus the parent when selected if the child has focus #22

KirillOsenkov opened this issue Sep 27, 2021 · 0 comments

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@KirillOsenkov
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The bug is here:
https://referencesource.microsoft.com/#PresentationFramework/src/Framework/System/Windows/Controls/TreeViewItem.cs,504

Suppose a TreeViewItem is selected while it's child is currently selected.

Then this condition:
https://github.com/dotnet/wpf/blob/1d8efc0f94d9fcaed13ffe72367dbf147a692da7/src/Microsoft.DotNet.Wpf/src/PresentationFramework/System/Windows/Controls/TreeViewItem.cs#L503-L507

evaluates to false, because the last IsKeyboardFocusWithin is true (since the child has focus), so the current item doesn't get focused.
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@KirillOsenkov